Results 21 to 30 of about 410,633 (280)

Characteristics of minerals in Slovenian marbles

open access: yesGeologija, 2019
Common rock-forming and accessory minerals in marbles from various localities in Slovenia were studied using scanning electron microscopy with energy dispersive spectroscopy (SEM/EDS). Minerals and their chemical composition were identified in order to
Miloš Miler   +3 more
doaj   +1 more source

MINERALOGICAL-GEOCHEMICAL FEATURES OF CORUNDUM MIASKITE-PEGMATITE FROM MINE NO. 210 (ILMENY MOUNTAINS, SOUTH URALS): PRELIMINARY RESULTS [PDF]

open access: yesМинералогия, 2020
Miaskite-pegmatite of mine no. 210 exhibits an unusual mineral composition for the Ilmeny Mountains. It contains a significant amount of sapphire-like corundum (uncommon of nephelinebearing pegmatites) and various Th-bearing minerals («thoro-aeschinite»,
M.A. Rassomakhin   +2 more
doaj   +1 more source

The Upper Cretaceous intrusive rocks with extensive crustal contribution in Hacımahmutuşağı Area (Aksaray/Turkey)

open access: yesGeologica Carpathica, 2019
The Hacımahmutuşağı area (Aksaray/Turkey) is located in the western part of the Central Anatolian Crystalline Complex (CACC). Gneiss and marble compose the basement units, while intrusive rocks are gabbros and granitoids.
Köksal Serhat
doaj   +1 more source

Mineralogy of the inclusions and age of zircon from granite basement of Verkhnerechensk area (Yamal peninsula)

open access: yesЛитосфера, 2017
The study of minerals-prisoners in accessory zircons is gradually evolving into an important geological-petrological task. Such a study can show not only the earliest mineral rock association, but also evaluate the “sealed” mineral paragenesis of zircon,
Yuriy V. Erokhin   +3 more
doaj   +1 more source

Geochemical and Tectonic Setting of Trachyte rock withinAvromanCarbonite Formation, Zagros Suture Zone,Kurdistan Region/ Northeastern Iraq. [PDF]

open access: yesKirkuk Journal of Science, 2018
Trachyte extrusion rocks exposed as dyke cutting Avroman carbonate formation that is part of northwestern Zagros suture zone.Petrographical study combined with EMPA study reveals that these trachyte rock composed of essentially Plagioclase and ...
Sabah Ismail, Shleer Abdul-Qadir
doaj   +1 more source

New data on the granite pedestal of the monument to Peter the Great “The Bronze Horseman” in Saint Petersburg

open access: yesЗаписки Горного института, 2021
In order to expand and popularize knowledge about the stone decoration of Saint Petersburg, we present new data on the mineralogy and petrography of the famous Thunder-Stone, the parts of which were the basis for the monument to Peter the Great – the ...
Andrei G. Bulakh   +3 more
doaj   +1 more source

Zirconium-bearing accessory minerals in UK Paleogene granites: textural, compositional, and paragenetic relationships [PDF]

open access: yesEuropean Journal of Mineralogy, 2021
The mineral occurrences, parageneses, textures, and compositions of Zr-bearing accessory minerals in a suite of UK Paleogene granites from Scotland and Northern Ireland are described.
H. E. Belkin, R. Macdonald, R. Macdonald
doaj   +1 more source

(Table 9) Analyses of native accessory minerals from the Rainbow hydrothermal field

open access: yes, 2001
(Table 9) Analyses of native accessory minerals from the Rainbow hydrothermal ...
Ul'yanov, Alexander A   +9 more
core   +1 more source

Supplemental Material: The spatial association of accessory minerals with biotite in granitic rocks from the South Mountain Batholith, Nova Scotia

open access: yes, 2021
Compilation of available experimental petrological data on the solubility of accessory minerals in granitic ...
D. Barrie Clarke (11587926)   +1 more
core   +1 more source

Сhromespinelides with zinc-bearing epigene rims from Devonian conglobreccia horizons of Ichet’yu placer-like occurrence (Middle Timan)

open access: yesЛитосфера, 2015
Study results of accessory zinc-bearing chromespinelides from Middle Devonian psephites of Pizhemskaya suite (D2pg) of Ichet’yu placer-like occurrence (Middle Timan) are represented.
Yu. V. Glukhov   +4 more
doaj   +2 more sources

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